Related Experiment Video

Updated: Oct 1, 2025

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

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Prognostic value of atrial strain in non-ischemic dilated cardiomyopathy

Ihsen Zairi, Mohamed Amine Bejar, Imtinen Ben Mrad

    La Tunisie Medicale
    |March 4, 2022
    PubMed

    Insights

    Left atrial function assessed by 2D speckle tracking echocardiography can identify patients with dilated cardiomyopathy at high cardiovascular risk. Lower atrial peak-systolic longitudinal strain and time to peak atrial longitudinal strain indicate increased risk of adverse events.

    Area of Science:

    • Cardiology
    • Echocardiography
    • Cardiovascular Imaging

    Background:

    • Left atrial function is often underestimated in non-ischemic dilated cardiomyopathy (DCM).
    • Several ultrasound parameters of left atrial function are emerging as potential risk markers for DCM patients.

    Purpose of the Study:

    • To evaluate left atrial function using 2D speckle tracking echocardiography (STE).
    • To determine the prognostic value of left atrial function parameters in dilated cardiomyopathy.

    Main Methods:

    • Prospective study of 40 DCM patients over 6 months.
    • Echocardiography with 2D speckle tracking performed at baseline.
    • Primary endpoint: occurrence of major cardiovascular events.

    Main Results:

    • 25 patients experienced major cardiovascular events, including ventricular arrhythmias and heart failure decompensation.
    • No significant differences in cardiovascular risk factors, symptoms, or blood tests between groups.
    • Significantly lower atrial peak-systolic longitudinal strain (PALS) and time to peak atrial longitudinal strain (TPALS) in patients with events.

    Conclusions:

    • 2D speckle tracking analysis of the left atrium aids in identifying high-risk DCM patients.
    • Improved risk stratification can lead to better patient management and follow-up.
    Abstract

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